:root {
  --graphite: #07110e;
  --graphite-soft: #0d1b17;
  --forest: #1f4d3a;
  --forest-deep: #12372b;
  --forest-ink: #0d2c22;
  --white: #ffffff;
  --line-light: rgba(255, 255, 255, 0.2);
  --mineral: #8fb9ad;
  --mint: #a7c0b2;
  --c-bg: #f3f0e8;
  --c-surface: #fbfaf6;
  --c-surface-raised: #ffffff;
  --c-text: #16201c;
  --c-muted: #53605a;
  --c-accent: #12372b;
  --c-on-accent: #ffffff;
  --c-action-bg: #12372b;
  --c-action-hover: #0b2a20;
  --c-on-action: #ffffff;
  --c-border: rgba(22, 32, 28, 0.16);
  --c-border-strong: rgba(31, 77, 58, 0.52);
  --c-control-border: rgba(31, 77, 58, 0.42);
  --c-focus: #7ff0cb;
  --c-focus-outer: #07110e;
  --c-mineral-surface: #dce8e3;
  --c-header-bg: rgba(251, 250, 246, 0.96);
  --ivory: var(--c-bg);
  --paper: var(--c-surface);
  --ink: var(--c-text);
  --ink-soft: var(--c-muted);
  --line: var(--c-border);
  --font-display: ui-serif, "Iowan Old Style", Baskerville, "Times New Roman", serif;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --wrap: min(1240px, calc(100vw - 64px));
  color-scheme: light;
}

:root[data-theme="dark"] {
  --c-bg: #07110e;
  --c-surface: #0d1b17;
  --c-surface-raised: #12241e;
  --c-text: #f6faf7;
  --c-muted: #b8c9c1;
  --c-accent: #8fd8c2;
  --c-on-accent: #07110e;
  --c-action-bg: #8fd8c2;
  --c-action-hover: #a9e7d4;
  --c-on-action: #07110e;
  --c-border: rgba(232, 245, 238, 0.18);
  --c-border-strong: rgba(143, 216, 194, 0.58);
  --c-control-border: rgba(184, 201, 193, 0.55);
  --c-mineral-surface: #183128;
  --c-header-bg: rgba(7, 17, 14, 0.96);
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--ivory);
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

[hidden] {
  display: none !important;
}

img,
canvas {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  color: inherit;
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  border: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

h2 {
  font-size: clamp(2.6rem, 5vw, 4.8rem);
}

h3 {
  font-size: clamp(1.55rem, 2.3vw, 2.15rem);
}

::selection {
  background: var(--mineral);
  color: var(--graphite);
}

:focus-visible {
  outline: 3px solid var(--c-focus);
  outline-offset: 4px;
  box-shadow: 0 0 0 6px var(--c-focus-outer);
}

.wrap {
  width: var(--wrap);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 12px 16px;
  transform: translateY(-160%);
  border-radius: 4px;
  background: var(--c-surface-raised);
  color: var(--c-accent);
  font-weight: 700;
  transition: transform 160ms var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
}

.eyebrow,
.micro-label {
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.eyebrow {
  margin-bottom: 22px;
  color: var(--c-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.eyebrow::before {
  display: inline-block;
  width: 28px;
  height: 1px;
  margin-right: 12px;
  background: currentColor;
  content: "";
  vertical-align: 0.25em;
}

.eyebrow--light {
  color: #b7d5cb;
}

.micro-label {
  display: block;
  margin-bottom: 7px;
  color: var(--ink-soft);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.button,
.nav-cta {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 24px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition:
    transform 150ms var(--ease-out),
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
}

.button {
  padding: 13px 19px;
}

.button:active,
.nav-cta:active,
.path-card:active,
.knowledge-card:active,
.page-card:active {
  transform: scale(0.975);
}

.button--primary {
  background: var(--c-action-bg);
  color: var(--c-on-action);
}

.button--light {
  background: #fbfaf6;
  color: #12372b;
}

.button--outline {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 13px;
  border-bottom: 1px solid var(--c-border-strong);
  color: var(--c-accent);
  font-size: 0.9rem;
  font-weight: 700;
  transition:
    border-color 180ms ease,
    color 180ms ease;
}

.text-link--light {
  border-color: rgba(255, 255, 255, 0.48);
  color: var(--white);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 80;
  display: flex;
  width: 100%;
  height: 92px;
  align-items: center;
  justify-content: space-between;
  padding-inline: max(32px, calc((100vw - 1376px) / 2));
  border-bottom: 1px solid transparent;
  transition:
    height 220ms var(--ease-out),
    background-color 220ms ease,
    border-color 220ms ease,
    color 220ms ease;
}

.site-header--hero {
  color: var(--white);
}

.site-header--hero:not(.is-light) {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(7, 17, 14, 0.88);
}

.site-header--light {
  height: 78px;
  border-color: var(--line);
  background: var(--c-header-bg);
  color: var(--c-accent);
  backdrop-filter: blur(8px);
}

.site-header--hero.is-light {
  height: 78px;
  border-color: rgba(22, 32, 28, 0.16);
  background: rgba(251, 250, 246, 0.96);
  color: #12372b;
  backdrop-filter: blur(8px);
}

.brand {
  position: relative;
  z-index: 2;
  display: inline-flex;
  min-width: 148px;
  min-height: 56px;
  align-items: center;
}

.brand__image,
.brand img {
  width: 142px;
  height: auto;
  object-fit: contain;
}

.site-header--hero:not(.is-light) .brand__image {
  filter: brightness(0) invert(1);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.3vw, 40px);
  margin-left: auto;
  font-size: 0.86rem;
  font-weight: 650;
}

.desktop-nav > a:not(.nav-cta) {
  position: relative;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
}

.desktop-nav > a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: 7px;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  background: currentColor;
  content: "";
  transition: transform 180ms var(--ease-out);
}

.nav-cta {
  min-height: 44px;
  padding: 10px 16px;
  border-color: currentColor;
}

.site-header--hero:not(.is-light) .nav-cta {
  border-color: rgba(255, 255, 255, 0.5);
}

.site-header--light .nav-cta {
  background: var(--c-action-bg);
  color: var(--c-on-action);
}

.site-header--hero.is-light .nav-cta {
  background: #12372b;
  color: #ffffff;
}

.theme-control {
  position: relative;
  z-index: 82;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 7px;
  margin-left: 16px;
  padding: 0 10px;
  border: 1px solid currentColor;
  border-radius: 999px;
  background: color-mix(in srgb, currentColor 8%, transparent);
  color: inherit;
}

.theme-control__icon {
  position: relative;
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
}

.theme-control__icon::after {
  position: absolute;
  inset: 2px 2px 2px 7px;
  border-radius: 0 999px 999px 0;
  background: currentColor;
  content: "";
}

.theme-control select {
  width: 66px;
  min-height: 42px;
  padding: 0 16px 0 0;
  border: 0;
  outline: 0;
  appearance: none;
  background: linear-gradient(45deg, transparent 50%, currentColor 50%) right 2px center / 5px 5px no-repeat;
  color: inherit;
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
}

.theme-control select:focus-visible {
  outline: 0;
  box-shadow: none;
}

.theme-control:has(select:focus-visible) {
  outline: 3px solid var(--c-focus);
  outline-offset: 4px;
  box-shadow: 0 0 0 6px var(--c-focus-outer);
}

:root[data-theme="dark"] .site-header--light .brand__image,
:root[data-theme="dark"] .brand--footer img {
  filter: brightness(0) invert(1);
}

:root[data-theme="dark"] .site-header--hero.is-past-hero {
  border-color: var(--c-border);
  background: var(--c-header-bg);
  color: var(--c-accent);
}

:root[data-theme="dark"] .site-header--hero.is-past-hero .brand__image {
  filter: brightness(0) invert(1);
}

:root[data-theme="dark"] .site-header--hero.is-past-hero .nav-cta {
  border-color: var(--c-action-bg);
  background: var(--c-action-bg);
  color: var(--c-on-action);
}

.menu-button {
  position: relative;
  z-index: 81;
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: transparent;
  color: inherit;
  cursor: pointer;
  margin-left: 12px;
}

.menu-button span {
  position: absolute;
  left: 14px;
  width: 18px;
  height: 1px;
  background: currentColor;
  transition: transform 180ms var(--ease-out), top 180ms var(--ease-out);
}

.menu-button span:first-child {
  top: 19px;
}

.menu-button span:last-child {
  top: 27px;
}

.menu-button[aria-expanded="true"] span:first-child {
  top: 23px;
  transform: rotate(45deg);
}

.menu-button[aria-expanded="true"] span:last-child {
  top: 23px;
  transform: rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: grid;
  align-items: end;
  background: var(--graphite);
  color: var(--white);
}

.mobile-menu--light {
  background: var(--paper);
  color: var(--c-text);
}

.mobile-menu__inner {
  width: 100%;
  max-height: 100svh;
  padding: 116px 24px 32px;
  overflow-y: auto;
}

.mobile-menu__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 12px;
}

.mobile-menu__top .micro-label {
  margin: 0;
}

.mobile-menu__close {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid currentColor;
  border-radius: 999px;
  background: transparent;
  color: inherit;
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
}

.mobile-menu__close span {
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 1;
}

.mobile-menu nav {
  display: grid;
  margin-bottom: 32px;
  border-top: 1px solid var(--line-light);
}

.mobile-menu--light nav {
  border-color: var(--line);
}

.mobile-menu nav a {
  display: flex;
  min-height: 58px;
  align-items: center;
  border-bottom: 1px solid var(--line-light);
  font-family: var(--font-display);
  font-size: 1.75rem;
}

.mobile-menu--light nav a {
  border-color: var(--line);
}

.mobile-menu__cta {
  width: 100%;
}

.hero-sequence {
  position: relative;
  height: 290svh;
  background: var(--white);
}

.hero-sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  min-height: 620px;
  overflow: hidden;
  background: var(--white);
}

.hero-poster,
.hero-canvas,
.hero-shade,
.hero-grain,
.hero-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-canvas {
  z-index: 1;
  opacity: 0;
  transition: opacity 220ms ease;
}

.hero-canvas.is-ready {
  opacity: 1;
}

.hero-shade {
  z-index: 2;
  background:
    linear-gradient(90deg, rgba(5, 17, 13, 0.98) 0%, rgba(7, 20, 15, 0.86) 35%, rgba(7, 17, 14, 0.32) 70%, rgba(7, 17, 14, 0.1) 100%),
    linear-gradient(0deg, rgba(4, 13, 10, 0.52), transparent 48%);
  pointer-events: none;
}

.hero-grain {
  z-index: 3;
  opacity: 0.055;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.65'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-particles {
  display: none;
}

.ambient-particles {
  position: fixed;
  inset: 0;
  z-index: 4;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease;
}

.ambient-particles.is-visible {
  opacity: 0.72;
}

.site-header,
.mobile-menu {
  z-index: 20;
}

.home-page main > section:not(.hero-sequence),
.home-page .site-footer,
.inner-page .page-shell,
.inner-page .site-footer {
  position: relative;
  z-index: 3;
}

.hero-copy {
  position: relative;
  z-index: 4;
  display: flex;
  height: 100%;
  flex-direction: column;
  justify-content: center;
  padding-top: 64px;
  color: var(--white);
  will-change: transform, opacity;
}

.hero-copy h1 {
  max-width: 870px;
  margin-bottom: 28px;
  font-size: clamp(4rem, 7.1vw, 7.2rem);
  letter-spacing: -0.058em;
  line-height: 0.9;
}

.hero-copy h1 em {
  display: block;
  color: #9bd0c0;
  font-weight: 400;
}

.hero-copy__lede {
  max-width: 650px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(1rem, 1.45vw, 1.22rem);
  line-height: 1.65;
}

.hero-actions,
.inline-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
}

.scroll-cue {
  position: absolute;
  bottom: 32px;
  left: 0;
  display: flex;
  align-items: center;
  gap: 13px;
  color: rgba(255, 255, 255, 0.62);
  font-family: var(--font-mono);
  font-size: 0.63rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scroll-cue__line {
  display: block;
  width: 48px;
  height: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.25);
}

.scroll-cue__line::after {
  display: block;
  width: 50%;
  height: 100%;
  background: var(--white);
  content: "";
  animation: cue 1.8s var(--ease-in-out) infinite;
}

@keyframes cue {
  0% { transform: translateX(-120%); }
  70%, 100% { transform: translateX(240%); }
}

.hero-end-label {
  position: absolute;
  right: 0;
  bottom: 32px;
  left: 0;
  z-index: 4;
  margin: 0;
  color: var(--forest-deep);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-align: center;
  text-transform: uppercase;
  opacity: 0;
}

.hero-signature {
  position: absolute;
  right: clamp(24px, 3.5vw, 54px);
  bottom: clamp(34px, 5vh, 58px);
  z-index: 5;
  width: clamp(88px, 8.5vw, 124px);
  aspect-ratio: 751 / 695;
  opacity: 0;
  pointer-events: none;
  transform: translate3d(10px, 16px, 0) scale(0.96);
  transform-origin: right bottom;
  will-change: transform, opacity;
}

.hero-signature__art {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.hero-signature__art > svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
  background: transparent;
}

.trust-strip {
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.trust-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.trust-strip__grid > * {
  min-height: 124px;
  padding: 27px 24px;
  border-right: 1px solid var(--line);
}

.trust-strip__grid > *:first-child {
  border-left: 1px solid var(--line);
}

.trust-strip strong {
  color: var(--c-accent);
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 400;
}

.section {
  padding-block: clamp(96px, 12vw, 174px);
}

.section--paper {
  background: var(--paper);
}

.section--ivory {
  background: var(--ivory);
}

.section-heading {
  margin-bottom: 64px;
}

.section-heading--split {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.65fr);
  gap: 80px;
}

.section-heading--baseline {
  align-items: end;
}

.section-heading h2 {
  max-width: 840px;
  margin-bottom: 0;
}

.section-heading > p {
  align-self: end;
  margin-bottom: 4px;
  color: var(--ink-soft);
  font-size: 1.04rem;
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.path-card {
  position: relative;
  display: flex;
  min-height: 420px;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--ivory);
  transition:
    transform 220ms var(--ease-out),
    border-color 180ms ease,
    box-shadow 220ms ease;
}

.path-card--dark {
  border-color: transparent;
  background: var(--forest-deep);
  color: var(--white);
}

.path-card--mineral {
  background: var(--c-mineral-surface);
}

.path-card__number {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.path-card h3 {
  margin-bottom: 16px;
  font-size: clamp(2.4rem, 4vw, 4rem);
}

.path-card p {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.path-card.path-card--dark .path-card__number,
.path-card.path-card--dark .micro-label,
.path-card.path-card--dark p {
  color: rgba(255, 255, 255, 0.8);
}

.card-arrow {
  position: absolute;
  top: 22px;
  right: 22px;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 1.2rem;
  transition: transform 180ms var(--ease-out);
}

.knowledge-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.925fr 0.925fr;
  gap: 16px;
}

.knowledge-card {
  position: relative;
  display: flex;
  min-height: 340px;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition:
    transform 200ms var(--ease-out),
    border-color 180ms ease,
    box-shadow 200ms ease;
}

.knowledge-card--feature {
  background: var(--forest);
  color: var(--white);
}

.knowledge-card__meta {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-right: 54px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  opacity: 0.68;
}

.knowledge-card__content {
  display: grid;
  gap: 16px;
}

.knowledge-card__content strong {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 2.8vw, 3rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.04;
}

.knowledge-card__content > span {
  color: var(--ink-soft);
}

.knowledge-card--feature .knowledge-card__content > span {
  color: rgba(255, 255, 255, 0.82);
}

.principles {
  background: var(--graphite-soft);
  color: var(--white);
}

.principles__layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(480px, 1.18fr);
  gap: 10vw;
  align-items: start;
}

.principles__intro {
  position: sticky;
  top: 132px;
}

.principles__intro h2 {
  margin-bottom: 30px;
}

.principles__intro > p:not(.eyebrow) {
  max-width: 540px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 1.04rem;
}

.principles-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.principles-list li {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 28px;
  min-height: 210px;
  padding: 34px 0;
  border-top: 1px solid var(--line-light);
}

.principles-list li:last-child {
  border-bottom: 1px solid var(--line-light);
}

.principles-list > li > span {
  color: var(--mineral);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.principles-list h3 {
  margin-bottom: 14px;
  font-size: clamp(2.8rem, 5vw, 5rem);
}

.principles-list p {
  max-width: 460px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.62);
}

.about__grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 9vw;
  align-items: center;
}

.about__mark {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  border-radius: 50%;
  background: var(--forest-deep);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-align: center;
}

.about__mark::after {
  align-self: center;
  width: 42%;
  height: 42%;
  border: 1px solid var(--mineral);
  border-radius: 50%;
  content: "";
}

.about__copy h2 {
  margin-bottom: 28px;
}

.about__copy > p:not(.eyebrow) {
  max-width: 700px;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.membership {
  border-top: 1px solid var(--line);
  background: var(--ivory);
}

.membership__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.72fr);
  gap: 10vw;
}

.membership h2 {
  max-width: 750px;
  margin-bottom: 0;
}

.membership__content > p {
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.check-list {
  margin: 28px 0 36px;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 14px 0 14px 30px;
  border-top: 1px solid var(--line);
}

.check-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.check-list li::before {
  position: absolute;
  top: 18px;
  left: 2px;
  width: 13px;
  height: 7px;
  transform: rotate(-45deg);
  border-bottom: 1.5px solid var(--c-accent);
  border-left: 1.5px solid var(--c-accent);
  content: "";
}

.newsletter {
  padding-block: 82px;
  background: var(--forest-deep);
  color: var(--white);
}

.newsletter__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8vw;
  align-items: end;
}

.newsletter h2 {
  margin-bottom: 0;
  font-size: clamp(2.6rem, 4.7vw, 4.6rem);
}

.newsletter-form > label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.newsletter-form > div {
  display: grid;
  grid-template-columns: 1fr auto;
}

.newsletter-form input,
.newsletter-form button {
  min-height: 56px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 0;
}

.newsletter-form input {
  min-width: 0;
  padding: 12px 16px;
  background: transparent;
  color: var(--white);
}

.newsletter-form input::placeholder {
  color: rgba(255, 255, 255, 0.74);
}

.newsletter-form button {
  padding: 12px 18px;
  background: #fbfaf6;
  color: #12372b;
  font-weight: 700;
  cursor: pointer;
}

.form-note,
.form-status {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.75rem;
}

.form-status:not(:empty) {
  color: #c8eadf;
}

.site-footer {
  padding: 68px 0 24px;
  border-top: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
}

.site-footer__top {
  display: grid;
  grid-template-columns: 0.75fr 1.5fr 0.75fr;
  gap: 40px;
  align-items: center;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--line);
}

.brand--footer img {
  filter: none;
}

.site-footer__top p {
  max-width: 500px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2.4rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.site-footer__top .button {
  justify-self: end;
}

.site-footer__links {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr;
  gap: 60px;
  padding-block: 38px;
  border-bottom: 1px solid var(--line);
}

.site-footer__links nav,
.site-footer__links > div {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
}

.site-footer__links a {
  min-height: 44px;
}

.site-footer__links > div {
  justify-content: flex-end;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 22px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.63rem;
  letter-spacing: 0.04em;
}

.alert-dialog {
  width: min(680px, calc(100vw - 32px));
  max-height: min(760px, calc(100svh - 32px));
  padding: 0;
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 30px 90px rgba(4, 14, 10, 0.34);
}

.alert-dialog::backdrop {
  background: rgba(4, 14, 10, 0.7);
  backdrop-filter: blur(8px);
}

.alert-dialog[open] {
  animation: dialog-in 220ms var(--ease-out);
}

@keyframes dialog-in {
  from { opacity: 0; transform: translateY(14px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.alert-dialog__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 18px 18px 26px;
  border-bottom: 1px solid var(--line);
}

.alert-dialog__header .micro-label {
  margin: 0;
}

.icon-button {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--c-accent);
  font-size: 1.5rem;
  cursor: pointer;
  transition: transform 150ms var(--ease-out), background-color 180ms ease;
}

.icon-button:active {
  transform: scale(0.95);
}

.alert-dialog__content {
  padding: clamp(28px, 6vw, 60px);
}

.alert-dialog__content h2 {
  margin-bottom: 22px;
  font-size: clamp(2.4rem, 5vw, 4rem);
}

.alert-dialog__content > p {
  color: var(--ink-soft);
}

.alert-structure {
  margin: 34px 0;
}

.alert-structure > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 20px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.alert-structure > div:last-child {
  border-bottom: 1px solid var(--line);
}

.alert-structure dt {
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.alert-structure dd {
  margin: 0;
  color: var(--ink-soft);
}

.inner-page {
  background: var(--ivory);
}

.page-shell {
  min-height: 100vh;
  padding-top: 78px;
}

.page-hero {
  padding-top: clamp(80px, 10vw, 146px);
  padding-bottom: clamp(72px, 9vw, 128px);
  border-bottom: 1px solid var(--line);
}

.back-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 10px;
  margin-bottom: 72px;
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-weight: 650;
}

.page-hero h1 {
  max-width: 1060px;
  margin-bottom: 34px;
  font-size: clamp(4rem, 8vw, 8.2rem);
  line-height: 0.91;
}

.page-hero__lede {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: clamp(1.08rem, 2vw, 1.45rem);
}

.page-content {
  padding-top: 72px;
  padding-bottom: 130px;
}

.page-intro {
  display: grid;
  grid-template-columns: 0.42fr 0.58fr;
  padding-bottom: 72px;
}

.page-intro::before {
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 0.67rem;
  letter-spacing: 0.12em;
  content: "KONTEKST";
}

.page-intro p {
  max-width: 760px;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.page-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.page-card {
  position: relative;
  min-height: 300px;
  padding: 24px 70px 24px 24px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  transition: transform 200ms var(--ease-out), border-color 180ms ease, box-shadow 200ms ease;
}

.page-card h2 {
  margin: 28px 0 20px;
  font-size: clamp(1.75rem, 3vw, 2.7rem);
}

.page-card p {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.recipe-jump {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 96px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.recipe-jump a,
.recipe-source {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  color: var(--c-accent);
  font-weight: 700;
}

.recipe-jump a + a { border-left: 1px solid var(--line); }
.recipe-section { scroll-margin-top: 112px; margin-top: 112px; }
.recipe-section:first-of-type { margin-top: 0; }

.prescription-guide { margin-top: 0; }

.prescription-guide__notice {
  max-width: 900px;
  margin: -16px 0 28px;
  padding: 16px 18px;
  border-left: 3px solid var(--c-accent);
  background: var(--c-mineral-surface);
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.prescription-guide__notice strong { color: var(--ink); }
.prescription-guide__notice a { color: var(--c-accent); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

.prescription-guide__stage {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.prescription-guide__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 30px 22px;
}

.prescription-guide__header .micro-label { margin-bottom: 14px; }
.prescription-guide__header h3 { margin: 0; font-size: clamp(2rem, 4vw, 4rem); }
.prescription-guide__short { color: var(--ink-soft); font: 0.66rem var(--font-mono); letter-spacing: 0.08em; text-align: right; text-transform: uppercase; }
.prescription-guide__progress { height: 5px; background: var(--c-mineral-surface); }
.prescription-guide__progress span { display: block; width: 10%; height: 100%; background: var(--c-accent); transition: width 180ms var(--ease-out); }

.prescription-guide__screen {
  position: relative;
  overflow: hidden;
  margin: 26px 30px 0;
  border: 1px solid var(--line);
  background: #fff;
}

.prescription-guide__screen img,
.prescription-guide__screen svg { width: 100%; height: auto; }
.prescription-guide__screen svg { position: absolute; inset: 0; pointer-events: none; }
.prescription-guide__marker circle { fill: #ff4d00; stroke: #fff; stroke-width: 5; filter: drop-shadow(0 3px 7px rgba(7, 17, 14, .38)); }
.prescription-guide__marker text { fill: #fff; font: 800 28px var(--font-sans); text-anchor: middle; dominant-baseline: middle; }

.prescription-guide__instruction { margin: 20px 30px 0; padding: 18px 20px; border-left: 3px solid var(--c-accent); background: var(--c-mineral-surface); }
.prescription-guide__instruction strong { display: block; color: var(--ink); }
.prescription-guide__instruction p { margin: 5px 0 0; color: var(--ink-soft); }
.prescription-guide__instruction pre { margin: 14px 0 0; padding: 12px; overflow-x: auto; border: 1px solid var(--line); background: var(--paper); color: var(--ink); font: 0.76rem/1.6 var(--font-mono); white-space: pre-wrap; }

.prescription-guide__controls { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 18px; margin: 22px 30px 30px; }
.prescription-guide__button { min-height: 46px; padding: 10px 16px; border: 1px solid var(--c-control-border); border-radius: 4px; background: transparent; color: var(--c-accent); font-weight: 700; cursor: pointer; transition: transform 150ms var(--ease-out), background-color 180ms ease, color 180ms ease; }
.prescription-guide__button:hover { background: var(--c-mineral-surface); }
.prescription-guide__button:active { transform: scale(.97); }
.prescription-guide__button:disabled { opacity: .45; cursor: not-allowed; }
.prescription-guide__button--primary { border-color: var(--c-action-bg); background: var(--c-action-bg); color: var(--c-on-action); }
.prescription-guide__button--primary:hover { background: var(--c-action-hover); }
.prescription-guide__controls .prescription-guide__button:last-child { justify-self: end; }
.prescription-guide__dots { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.prescription-guide__dots button { width: 9px; height: 9px; padding: 0; border: 0; border-radius: 50%; background: var(--c-border-strong); cursor: pointer; }
.prescription-guide__dots button.is-active { background: var(--c-accent); transform: scale(1.25); }
.prescription-guide__foot { max-width: 90ch; margin: 18px 0 0; color: var(--ink-soft); font-size: 0.8rem; }

.recipe-section__heading {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 72px;
  align-items: end;
  margin-bottom: 48px;
}

.recipe-section__heading h2 { margin: 0; font-size: clamp(3rem, 6vw, 6.2rem); }
.recipe-section__heading > p { margin: 0; color: var(--ink-soft); }
.recipe-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }

.recipe-card {
  min-width: 0;
  padding: clamp(22px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--paper) 93%, transparent);
}

.recipe-card--general { margin-bottom: 16px; background: var(--forest-deep); color: var(--white); }
.recipe-card--general h3 { max-width: 760px; margin: 26px 0; color: var(--white); }
.recipe-card h3 { margin: 28px 0 22px; font-size: clamp(2rem, 3.5vw, 3.4rem); }
.recipe-card__meta { display: flex; gap: 10px; font-family: var(--font-mono); font-size: 0.67rem; }
.recipe-card__meta span { padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; }

.recipe-card pre,
.extract-row pre {
  margin: 0;
  overflow-x: auto;
  color: inherit;
  font: 0.76rem/1.75 var(--font-mono);
  white-space: pre-wrap;
}

.recipe-source { width: fit-content; gap: 18px; margin-top: 20px; padding-inline: 0; }
.recipe-controls { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.recipe-controls label,
.recipe-dose { display: grid; gap: 9px; padding: 18px; border: 1px solid var(--line); background: var(--paper); font: 0.66rem var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.recipe-controls select { min-height: 46px; padding: 0 12px; border: 1px solid var(--line); background: var(--ivory); color: var(--ink); font: 700 0.9rem var(--font-sans); }
.recipe-dose strong { color: var(--c-accent); font: 400 1.8rem var(--font-display); letter-spacing: -0.03em; text-transform: none; }
.recipe-results { border: 1px solid var(--line); background: var(--paper); }
.extract-row + .extract-row { border-top: 1px solid var(--line); }
.extract-row summary { display: flex; min-height: 78px; align-items: center; justify-content: space-between; gap: 24px; padding: 16px 20px; cursor: pointer; }
.extract-row summary span { display: grid; gap: 5px; }
.extract-row summary small { color: var(--ink-soft); font: 0.65rem var(--font-mono); }
.extract-row summary b { color: var(--c-accent); font: 400 1.55rem var(--font-display); }
.extract-row pre { padding: 24px 20px; border-top: 1px solid var(--line); background: var(--ivory); }
.recipe-disclaimer { margin-top: 96px; padding: 24px; border-left: 3px solid var(--c-accent); background: var(--paper); color: var(--ink-soft); }
.recipe-disclaimer strong { color: var(--ink); }

.recipe-overview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 16px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.recipe-overview > div {
  display: grid;
  min-height: 132px;
  align-content: space-between;
  padding: 22px;
  border-right: 1px solid var(--line);
}

.recipe-overview > div:last-child { border-right: 0; }
.recipe-overview strong { color: var(--c-accent); font: 400 clamp(2.3rem, 4vw, 4rem) var(--font-display); letter-spacing: -0.04em; }
.recipe-overview span { max-width: 220px; color: var(--ink-soft); font: 0.66rem/1.5 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }

.flower-browser {
  margin-top: 64px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--paper);
}

.flower-toolbar {
  display: grid;
  grid-template-columns: minmax(250px, 1.45fr) repeat(3, minmax(150px, 0.7fr));
  border-bottom: 1px solid var(--line);
}

.flower-toolbar label {
  display: grid;
  gap: 9px;
  padding: 18px;
  border-right: 1px solid var(--line);
  color: var(--ink-soft);
  font: 0.64rem var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.flower-toolbar label:last-child { border-right: 0; }
.flower-toolbar input,
.flower-toolbar select {
  width: 100%;
  min-height: 48px;
  padding: 0 13px;
  border: 1px solid var(--c-control-border);
  border-radius: 3px;
  background: var(--ivory);
  color: var(--ink);
  font: 650 0.9rem var(--font-sans);
  letter-spacing: 0;
  text-transform: none;
}

.flower-browser__status {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font: 0.62rem var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.flower-browser__status span:first-child { color: var(--c-accent); font-weight: 700; }
.flower-row + .flower-row { border-top: 1px solid var(--line); }
.flower-row summary { display: grid; min-height: 88px; grid-template-columns: 1fr auto; gap: 28px; align-items: center; padding: 15px 20px; cursor: pointer; }
.flower-row summary::marker { color: var(--c-accent); }
.flower-row__name { display: grid; gap: 5px; }
.flower-row__name strong { color: var(--ink); font: 400 clamp(1.55rem, 2.4vw, 2.25rem) var(--font-display); letter-spacing: -0.025em; }
.flower-row__name small,
.flower-row__chem small { color: var(--ink-soft); font: 0.63rem var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; }
.flower-row__chem { display: flex; align-items: center; gap: 24px; }
.flower-row__chem b { min-width: 102px; color: var(--c-accent); font: 400 1.85rem var(--font-display); text-align: right; }
.flower-row__chem i { font: 0.56rem var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.flower-row__body { padding: 26px 20px 22px; border-top: 1px solid var(--line); background: var(--ivory); }
.flower-row__body pre { margin: 0; padding: 22px; overflow-x: auto; border: 1px solid var(--line); background: var(--paper); color: var(--ink); font: 0.76rem/1.75 var(--font-mono); white-space: pre-wrap; }
.flower-row__source { display: flex; justify-content: space-between; gap: 20px; margin-top: 14px; color: var(--ink-soft); font: 0.62rem var(--font-mono); letter-spacing: 0.05em; text-transform: uppercase; }
.flower-row__source a { color: var(--c-accent); text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 3px; }
.flower-row__source a:hover { text-decoration-color: currentColor; }
.flower-row__body p { margin: 15px 0 0; color: var(--ink-soft); font-size: 0.78rem; }
.flower-empty { margin: 0; padding: 52px 20px; color: var(--ink-soft); text-align: center; }

.source-examples {
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.source-examples > summary { display: flex; min-height: 94px; align-items: center; justify-content: space-between; gap: 24px; padding: 20px 24px; cursor: pointer; }
.source-examples > summary span { display: grid; gap: 7px; }
.source-examples > summary small { color: var(--ink-soft); font: 0.62rem var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.source-examples > summary strong { color: var(--ink); font: 400 clamp(1.4rem, 2.4vw, 2.2rem) var(--font-display); }
.source-examples > summary b { color: var(--c-accent); font: 400 2.7rem var(--font-display); }
.source-examples .recipe-grid { padding: 16px; border-top: 1px solid var(--line); }

.recipe-section--extracts { padding-top: 112px; border-top: 1px solid var(--line); }
.oil-engine { display: grid; grid-template-columns: minmax(300px, 0.68fr) minmax(0, 1.32fr); gap: 16px; align-items: stretch; }
.oil-builder { display: flex; min-width: 0; flex-direction: column; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); }
.oil-builder__heading { padding: 26px 24px 22px; border-bottom: 1px solid var(--line); }
.oil-builder__heading h3 { margin: 12px 0 8px; font-size: clamp(2rem, 3.2vw, 3.1rem); }
.oil-builder__heading p,
.oil-builder__hint { margin: 0; color: var(--ink-soft); font-size: 0.78rem; }
.oil-builder__hint { margin-top: auto; padding: 18px 20px; border-top: 1px solid var(--line); }
.recipe-controls--engine { display: grid; grid-template-columns: 1fr; gap: 10px; margin: 0; padding: 12px; }
.recipe-controls--engine label,
.recipe-controls--engine .recipe-dose { min-height: 104px; align-content: center; border-radius: 6px; }
.recipe-controls--engine label > span { display: block; }
.recipe-controls--engine select { width: 100%; }
.oil-volume-field { align-content: start !important; }
.oil-volume-field > small { color: var(--ink-soft); font-size: 0.58rem; letter-spacing: 0.06em; }
.oil-volume-input { display: grid !important; grid-template-columns: 1fr auto; align-items: center; min-height: 46px; border: 1px solid var(--line); background: var(--ivory); }
.oil-volume-input input { min-width: 0; height: 44px; padding: 0 12px; border: 0; outline: 0; background: transparent; color: var(--ink); font: 700 0.9rem var(--font-sans); }
.oil-volume-input:focus-within { border-color: var(--c-accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--c-accent) 14%, transparent); }
.oil-volume-input b { padding: 0 13px; color: var(--ink-soft); font: 700 0.68rem var(--font-mono); }
.oil-volume-presets { display: flex !important; flex-wrap: wrap; gap: 7px; }
.oil-volume-presets button { min-height: 34px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--ink-soft); cursor: pointer; font: 700 0.67rem var(--font-mono); transition: transform 140ms var(--ease-out), border-color 160ms ease, background-color 160ms ease, color 160ms ease; }
.oil-volume-presets button[aria-pressed="true"] { border-color: var(--c-accent); background: var(--c-accent); color: var(--white); }
.oil-volume-presets button:active { transform: scale(0.97); }

.oil-result {
  display: grid;
  min-width: 0;
  align-content: start;
  padding: clamp(26px, 4vw, 48px);
  border-radius: 8px;
  background: var(--forest-deep);
  color: var(--white);
}

.oil-result__top { display: flex; align-items: start; justify-content: space-between; gap: 30px; margin-bottom: 30px; }
.oil-result h3 { max-width: 620px; margin: 14px 0 0; color: var(--white); font-size: clamp(2.2rem, 3.7vw, 4.2rem); }
.oil-result__top > strong { color: #9bd0c0; font: 400 clamp(2.3rem, 4vw, 4rem) var(--font-display); white-space: nowrap; }
.oil-result__facts { display: grid; grid-template-columns: 1.2fr 0.8fr 0.8fr; margin-bottom: 30px; border-block: 1px solid rgba(255,255,255,.18); }
.oil-result__facts > div { display: grid; gap: 9px; padding: 16px 16px 16px 0; border-right: 1px solid rgba(255,255,255,.18); }
.oil-result__facts > div + div { padding-left: 16px; }
.oil-result__facts > div:last-child { border-right: 0; }
.oil-result__facts span,
.oil-prescription__toolbar > span,
.oil-result__equation > span { color: rgba(255,255,255,.58); font: 0.58rem var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.oil-result__facts strong { color: var(--white); font-size: 0.84rem; }
.oil-prescription__toolbar { display: flex; min-height: 42px; align-items: center; justify-content: space-between; gap: 18px; }
.oil-prescription__toolbar button { padding: 7px 10px; border: 1px solid rgba(255,255,255,.28); border-radius: 999px; background: transparent; color: var(--white); cursor: pointer; font: 700 0.65rem var(--font-sans); transition: transform 140ms var(--ease-out), border-color 160ms ease, background-color 160ms ease; }
.oil-prescription__toolbar button:active { transform: scale(0.97); }
.oil-result pre { margin: 0; padding: 22px; overflow-x: auto; border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.045); color: var(--white); font: 0.8rem/1.8 var(--font-mono); white-space: pre-wrap; }
.oil-result__equation { display: grid; gap: 8px; margin: 18px 0 0; }
.oil-result__equation code { color: #9bd0c0; font: 0.72rem/1.5 var(--font-mono); overflow-wrap: anywhere; }
.oil-result__error { margin: 18px 0 0; padding: 12px 14px; border-left: 2px solid #e4b35f; background: rgba(228,179,95,.08); color: #f2d59f; font-size: 0.78rem; }
.oil-result.is-invalid pre { min-height: 160px; }
.oil-result__note { margin: 22px 0 0; color: rgba(255,255,255,.68); font-size: 0.76rem; }
.oil-result__note.is-warning { padding-left: 14px; border-left: 2px solid #e4b35f; color: #f2d59f; }
.calculation-note { margin: 18px 0 0; padding: 20px; border: 1px solid var(--line); background: var(--paper); color: var(--ink-soft); font-size: 0.78rem; }
.calculation-note strong { color: var(--ink); }

@media (hover: hover) and (pointer: fine) {
  .oil-prescription__toolbar button:hover { border-color: rgba(255,255,255,.55); background: rgba(255,255,255,.08); }
}

.document-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 16px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.document-links a {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 20px;
  border-right: 1px solid var(--line);
  color: var(--c-accent);
  font-weight: 700;
}

.document-links a:last-child {
  border-right: 0;
}

.page-benefits {
  display: grid;
  grid-template-columns: 0.42fr 0.58fr;
  margin-top: 96px;
  padding-top: 72px;
  border-top: 1px solid var(--line);
}

.page-benefits h2 {
  max-width: 420px;
  font-size: clamp(2.5rem, 4vw, 4rem);
}

.page-benefits .check-list {
  margin: 0;
}

.page-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 96px;
  padding: 42px;
  border-radius: 8px;
  background: var(--forest-deep);
  color: var(--white);
}

.page-cta p {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1;
}

.contact-form-section {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 8vw;
  margin-top: 96px;
  padding-top: 80px;
  border-top: 1px solid var(--line);
}

.contact-form-section h2 {
  margin-bottom: 24px;
  font-size: clamp(2.8rem, 5vw, 4.8rem);
}

.contact-form-section > div > p:not(.eyebrow) {
  color: var(--ink-soft);
}

.contact-form {
  display: grid;
  gap: 20px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--c-accent);
  font-size: 0.78rem;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  border: 1px solid var(--c-control-border);
  border-radius: 3px;
  background: var(--paper);
  color: var(--ink);
  font-weight: 400;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form .button {
  justify-self: start;
}

.contact-form .form-note,
.contact-form .form-status {
  color: var(--ink-soft);
}

@media (hover: hover) and (pointer: fine) {
  .desktop-nav > a:not(.nav-cta):hover::after {
    transform: scaleX(1);
    transform-origin: left;
  }

  .button:hover,
  .nav-cta:hover {
    transform: translateY(-2px);
  }

  .button--primary:hover {
    background: var(--c-action-hover);
  }

  .button--light:hover {
    background: var(--white);
  }

  .button--outline:hover {
    background: var(--c-action-bg);
    color: var(--c-on-action);
  }

  .text-link:hover {
    border-color: currentColor;
  }

  .path-card:hover,
  .knowledge-card:hover,
  .page-card[href]:hover {
    transform: translateY(-5px);
    border-color: var(--c-border-strong);
    box-shadow: 0 18px 54px rgba(18, 55, 43, 0.09);
  }

  .path-card:hover .card-arrow,
  .knowledge-card:hover .card-arrow,
  .page-card[href]:hover .card-arrow {
    transform: rotate(8deg);
  }

  .icon-button:hover {
    background: rgba(31, 77, 58, 0.08);
  }
}

.home-page main > section:not(.hero-sequence):not(.trust-strip),
.page-content > section,
.site-footer {
  content-visibility: auto;
  contain-intrinsic-size: auto 840px;
}

@media (max-width: 1020px) {
  :root {
    --wrap: min(100% - 48px, 920px);
  }

  .site-header {
    padding-inline: 24px;
  }

  .desktop-nav {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .hero-copy h1 {
    max-width: 760px;
  }

  .section-heading--split,
  .membership__grid {
    gap: 54px;
  }

  .path-grid,
  .knowledge-grid,
  .page-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .path-card:last-child,
  .knowledge-card:last-child {
    grid-column: 1 / -1;
    min-height: 300px;
  }

  .principles__layout {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 7vw;
  }

  .about__grid {
    gap: 7vw;
  }
}

@media (max-width: 760px) {
  :root {
    --wrap: calc(100% - 40px);
  }

  body {
    font-size: 15px;
  }

  h2 {
    font-size: clamp(2.55rem, 12vw, 4.2rem);
  }

  .site-header,
  .site-header--light,
  .site-header--hero.is-light {
    height: 76px;
    padding-inline: 20px;
  }

  .brand {
    min-width: 120px;
  }

  .brand__image,
  .brand img {
    width: 120px;
  }

  .theme-control {
    margin-left: auto;
    padding-inline: 9px;
  }

  .theme-control select {
    width: 58px;
    font-size: 0.68rem;
  }

  .menu-button {
    margin-left: 8px;
  }

  .desktop-nav {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .site-header--hero:has(.menu-button[aria-expanded="true"]) {
    color: var(--white);
  }

  .site-header--hero:has(.menu-button[aria-expanded="true"]) .brand__image {
    filter: brightness(0) invert(1);
  }

  .site-header--light:has(.menu-button[aria-expanded="true"]) {
    color: var(--c-accent);
  }

  .site-header--light:has(.menu-button[aria-expanded="true"]) .brand__image {
    filter: none;
  }

  .hero-sequence {
    height: 225svh;
  }

  .hero-sticky {
    min-height: 560px;
  }

  .hero-shade {
    background:
      linear-gradient(0deg, rgba(5, 16, 12, 0.98) 0%, rgba(7, 18, 14, 0.8) 42%, rgba(7, 17, 14, 0.22) 74%, rgba(7, 17, 14, 0.12) 100%),
      linear-gradient(90deg, rgba(6, 17, 13, 0.28), rgba(6, 17, 13, 0.12));
  }

  .hero-copy {
    justify-content: flex-end;
    padding-top: 110px;
    padding-bottom: 86px;
  }

  .hero-copy .eyebrow {
    margin-bottom: 16px;
  }

  .hero-copy h1 {
    margin-bottom: 20px;
    font-size: clamp(3.05rem, 13.7vw, 4.7rem);
    line-height: 0.92;
  }

  .hero-copy__lede {
    margin-bottom: 24px;
    font-size: 0.98rem;
    line-height: 1.55;
  }

  .hero-actions {
    align-items: stretch;
  }

  .hero-actions .button {
    flex: 1 1 100%;
  }

  .scroll-cue {
    bottom: 24px;
    width: 100%;
  }

  .hero-end-label {
    bottom: 22px;
    padding-inline: 20px;
  }

  .hero-signature {
    right: 14px;
    bottom: 46px;
    width: clamp(70px, 20vw, 82px);
  }

  .trust-strip__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-strip__grid > * {
    min-height: 108px;
    padding: 20px;
    border-bottom: 1px solid var(--line);
  }

  .trust-strip__grid > *:nth-child(3) {
    border-left: 1px solid var(--line);
  }

  .trust-strip strong {
    font-size: 1.05rem;
  }

  .section {
    padding-block: 92px;
  }

  .section-heading,
  .section-heading--split,
  .membership__grid,
  .newsletter__grid,
  .about__grid,
  .principles__layout,
  .page-intro,
  .page-benefits,
  .contact-form-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .section-heading {
    margin-bottom: 44px;
  }

  .path-grid,
  .knowledge-grid,
  .page-card-grid {
    grid-template-columns: 1fr;
  }

  .path-card,
  .path-card:last-child,
  .knowledge-card,
  .knowledge-card:last-child,
  .page-card {
    grid-column: auto;
    min-height: 310px;
  }

  .path-card h3 {
    font-size: 3.1rem;
  }

  .principles__intro {
    position: static;
  }

  .principles-list li {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 16px;
    min-height: 180px;
  }

  .principles__layout > *,
  .principles-list li > div {
    min-width: 0;
  }

  .principles-list h3 {
    font-size: clamp(2.35rem, 11vw, 3.2rem);
  }

  .about__mark {
    width: min(290px, 74vw);
    margin: 0 auto 24px;
  }

  .membership__grid {
    gap: 46px;
  }

  .newsletter {
    padding-block: 72px;
  }

  .newsletter__grid {
    gap: 48px;
  }

  .newsletter-form > div {
    grid-template-columns: 1fr;
  }

  .newsletter-form button {
    margin-top: -1px;
  }

  .site-footer {
    padding-top: 48px;
  }

  .site-footer__top,
  .site-footer__links {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .site-footer__top .button {
    justify-self: start;
  }

  .site-footer__links > div {
    justify-content: flex-start;
  }

  .site-footer__bottom {
    flex-direction: column;
  }

  .alert-structure > div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .page-hero {
    padding-top: 64px;
  }

  .back-link {
    margin-bottom: 46px;
  }

  .page-hero h1 {
    font-size: clamp(3.45rem, 16vw, 5.4rem);
  }

  .page-content {
    padding-top: 54px;
    padding-bottom: 92px;
  }

  .page-intro {
    padding-bottom: 48px;
  }

  .document-links {
    grid-template-columns: 1fr;
  }

  .document-links a {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .document-links a:last-child {
    border-bottom: 0;
  }

  .page-benefits,
  .contact-form-section {
    margin-top: 72px;
    padding-top: 58px;
  }

  .page-cta {
    align-items: stretch;
    flex-direction: column;
    padding: 28px;
  }

  .page-cta .button {
    width: 100%;
  }
}

@media (max-width: 900px) and (max-height: 500px) {
  .hero-sequence {
    height: 195svh;
  }

  .hero-sticky {
    min-height: 100svh;
  }

  .hero-copy {
    justify-content: center;
    padding: 78px 0 20px;
  }

  .hero-copy .eyebrow,
  .scroll-cue {
    display: none;
  }

  .hero-copy__lede {
    max-width: 62%;
    margin-bottom: 14px;
    font-size: 0.82rem;
    line-height: 1.4;
  }

  .hero-copy h1 {
    max-width: 72%;
    margin-bottom: 18px;
    font-size: clamp(2.3rem, 7.2vw, 4rem);
  }

  .hero-actions {
    width: min(620px, 74%);
  }

  .hero-actions .button {
    flex: 0 0 auto;
  }

  .hero-signature {
    right: 16px;
    bottom: 22px;
    width: 68px;
  }
}

:root[data-theme="dark"] .site-header--light:has(.menu-button[aria-expanded="true"]) .brand__image {
  filter: brightness(0) invert(1);
}

@media (max-width: 900px) {
  .oil-engine { grid-template-columns: 1fr; }
  .recipe-controls--engine { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 761px) and (max-width: 1100px) {
  .flower-toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flower-toolbar label:nth-child(2) { border-right: 0; }
  .flower-toolbar label:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 760px) {
  .recipe-jump,
  .recipe-section__heading,
  .recipe-controls,
  .recipe-grid {
    grid-template-columns: 1fr;
  }

  .recipe-jump a + a { border-top: 1px solid var(--line); border-left: 0; }
  .recipe-section__heading { gap: 20px; }
  .recipe-section { margin-top: 80px; }
  .recipe-card { padding: 20px; }
  .prescription-guide__header { align-items: flex-start; flex-direction: column; gap: 12px; padding: 20px 20px 16px; }
  .prescription-guide__short { text-align: left; }
  .prescription-guide__screen { margin: 18px 12px 0; }
  .prescription-guide__instruction { margin: 16px 12px 0; padding: 16px; }
  .prescription-guide__controls { grid-template-columns: 1fr 1fr; gap: 12px; margin: 18px 12px 18px; }
  .prescription-guide__dots { grid-column: 1 / -1; grid-row: 2; }
  .prescription-guide__controls .prescription-guide__button:last-child { justify-self: stretch; }
  .prescription-guide__button { width: 100%; }
  .extract-row summary { min-height: 70px; padding-inline: 16px; }
  .recipe-overview,
  .flower-toolbar,
  .recipe-controls--engine {
    grid-template-columns: 1fr;
  }

  .recipe-overview > div {
    min-height: 104px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .recipe-overview > div:last-child { border-bottom: 0; }
  .flower-toolbar label { border-right: 0; border-bottom: 1px solid var(--line); }
  .flower-toolbar label:last-child { border-bottom: 0; }
  .flower-browser__status,
  .flower-row__source { align-items: flex-start; flex-direction: column; }
  .flower-row summary { grid-template-columns: 1fr; gap: 12px; }
  .flower-row__chem { justify-content: space-between; }
  .flower-row__chem b { text-align: left; }
  .oil-result__top { align-items: flex-start; flex-direction: column; }
  .oil-result__top > strong { order: -1; }
  .oil-result__facts { grid-template-columns: 1fr; }
  .oil-result__facts > div,
  .oil-result__facts > div + div { padding: 13px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .oil-result__facts > div:last-child { border-bottom: 0; }
  .oil-prescription__toolbar { align-items: flex-start; flex-direction: column; margin-bottom: 10px; }
  .source-examples > summary { align-items: flex-start; }
  .ambient-particles.is-visible { opacity: 0.58; }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero-sequence {
    height: auto;
    background: var(--graphite);
  }

  .hero-sticky {
    position: relative;
    height: min(860px, 100svh);
  }

  .hero-canvas,
  .hero-particles,
  .ambient-particles,
  .hero-end-label,
  .hero-signature {
    display: none;
  }

  .hero-copy {
    opacity: 1 !important;
    transform: none !important;
  }
}